Home / 21,657.12-32,459.52-10,547.16

Finding the Fourth Proportional to 21,657.12, 32,459.52 and 10,547.16

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Solution

The fourth proportional to 21,657.12, 32,459.52 and 10,547.16 is: 15,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.12 : 32,459.52 = 10,547.16 : x
  2. Step 2: Convert to fraction form
    21,657.12/32,459.52 = 10,547.16/x
  3. Step 3: Cross multiply
    21,657.12x = 32,459.52 × 10,547.16
  4. Step 4: Simplify right side
    21,657.12x = 342,355,750.96
  5. Step 5: Solve for x
    x = 342,355,750.96/21,657.12
  6. Step 6: Final answer
    x = 15,808.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.